Home / 934,751,282.40-1,402,126,923.60-389,421,957.60

Finding the Fourth Proportional to 934,751,282.40, 1,402,126,923.60 and 389,421,957.60

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Solution

The fourth proportional to 934,751,282.40, 1,402,126,923.60 and 389,421,957.60 is: 584,132,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,751,282.40 : 1,402,126,923.60 = 389,421,957.60 : x
  2. Step 2: Convert to fraction form
    934,751,282.40/1,402,126,923.60 = 389,421,957.60/x
  3. Step 3: Cross multiply
    934,751,282.40x = 1,402,126,923.60 × 389,421,957.60
  4. Step 4: Simplify right side
    934,751,282.40x = 546,019,011,391,977,664
  5. Step 5: Solve for x
    x = 546,019,011,391,977,664/934,751,282.40
  6. Step 6: Final answer
    x = 584,132,936.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.